Tag Archives: C tutorials

C identifier

Identifiers are name of variables, functions and arrays. These are user-defined names.

Identifier naming rules in C :

A.) First Character must be an alphabet (a-z or A-Z)

B.) Must consist of letters, digits or underscore.

C.) Cannot use reserved keywords

D.) Must not contain white spaces

e.q.

int a123; Correct 

int a 123; wrong